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Serial Dilutions Problem

Discussion in 'Saint George's University (Sponsored Forum)' started by ponytails, 01.30.12.

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  1. ponytails

    ponytails

    Joined:
    05.17.11
    Messages:
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    Pre-Veterinary
    For my Microbiology Class we are doing Serial Dilutions. Can someone help me with this chart? The total volume of each dilution in the series is 10 mL. I am asked to fill in all missing information and answer this final question: If I spread 50 mL of the final dilution on a petri-dish, how many colonies would I expect?

    the chart is 5 rows with 8 columns. The (volume transferred section) is the only row completely filled out. Any help is appreciated !
    Number of Bacteria Transferred (cfu)
    8 x 10^9
    8 x 10^8





    Bacterial Concentration (cfu/mL)
    8 x 10^8
    8 x 10^7





    Volume Transferred (mL)
    1
    1
    1
    1
    5
    2.5
    1
    Dilution
    10^-1
    10^-1





    Total Dilution
    10^-1
    10^-2






  2. alliecat44

    alliecat44 KSU CVM Class of '11 Moderator Emeritus

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    Veterinarian SDN 5+ Year Member
    SDN is not for homework help. Closing thread.
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